Location:  Richmond: The area within the Richmond Chevron refinery known as the Demonstration Wetlands, it is bordered by Channel Street on the south, Xylene Street on the east Wildcat or Herman Slough on the north.

Location:  Pittsburg: The area bordered by Crestview Drive, from Frontage Road to Alta Vista Circle on the east, Alta Vista Circle and the southern edge of the Stoneman Park, southern end of Jacqueline Drive, Whispering Oaks Court and Dawnview Court on the south, Rancho Bernardo Drive and San Marco Boulevard on the west, and Highway 4 on the north.

Location:  Pittsburg: The area bordered by Crestview Drive on the east, Alta Vista Circle and the southern edge of the Stoneman Park on the south, Jacqueline Drive on the west, and Hwy 4 on the North.

Location:  Pittsburg:  The area bordered by Railroad Avenue on the east, Parkside Drive on the south, Poinsettia Avenue, Willow Creek on the north to the north-south city limits boundary of Pittsburg, along the shore to the Pittsburg Marina on the northside.

Location: The property owned and operated by the Mirant Corporation just west of the City of Pittsburg city limits.  The area is bordered by Pittsburg City limits on the east and West 10th Street and Willow Pass Road and Willow Creek on the south, the north-south slough 1.25 miles west of Willow Creek on the west and Mallard Slough on the north.

Location:  Pittsburg: The area bordered by Crestview Drive on the east, Alta Vista Circle and the southern edge of the Stoneman Park on the south, Jacqueline Drive on the west, and Hwy 4 on the North.

Location:  Brentwood:  The area bordered by Sand Creek Road to the north, the Brentwood City limits(Sellers Avenue after Chestnut Street) to the east, Balfour Road on the south, and Brentwood Boulevard (Highway 4) on the west.

Location: Martinez: The area bordered by North Court Street at Martinez Regional Shoreline Park on the west, the Carquinez Straits' Shoreline on the north, Amorco Road on the east, and Marina Vista on the south.

Location:  Antioch:  The area bordered by Fredrickson Lane from Hansen Drive, east where it becomes Hamilton Drive to Dallas Ranch Road on the north; Dallas Ranch Road on the east; Prewett Ranch Drive and Domengine Way and Judsonville Drive on the south; with Judson Drive on the west.

Location:  Brentwood:  The area bordered by Sand Creek Road to the north, Brentwood City limits to the east, 2nd Street and Oak Street to the south, Highway 4 to the west.

Location:  Pittsburg:   The area bordered by West Leland Road, from Golf Club Road to Crestview Drive on the north, Crestview Drive on the east, the Contra Costa Canal on the south, and Pittsburg's Delta View Golf Course on the west.

Location: Byron: The area bordered by Hoffman Lane one quarter-mile west of Highway 4 extending one and one quarter-mile east of Highway 4, one quarter-mile east of Bixler Road on the north, a line extending south from one quarter-mile east of Bixler Road to three-quarters of a mile south of Camino Diablo on the east side, a line extending from the eastern edge's southern end extending west one mile to one quarter-mile east of Union Pacific Railroad on the south side, a line extending one mile north from the southwestern edge to Highway 4 and following the Union Pacific Railroad north to the western end of Hannon Drive and then north to Hoffman Lane one-quarter mile west of Highway 4 on the west side.

Location: Discovery Bay (2 areas):  

1. Cornell Park, the area bordered by Discovery Bay Boulevard on the west and north sides, Willow Lake Road on the east and Beaver Lane on the south.
2. The area bordered by Newport Drive on the west and south and Preston Drive on the west, Newbury Lane on the north and Wilde Drive and Fareham Court on the east (orange area of map indicates location of fogging).

Location: Byron (3 areas): 

1. The area centered around the intersection of Byron Highway and Byer Road, extending east one-quarter mile on Byer Road, extending south one-quarter mile on Byron Highway to San Joaquin Avenue and extending one-quarter mile west to the end of Hannon Drive.
2. The length of Camino Diablo from Byron Highway east to the eastern end of Camino Diablo Road (purple area of map indicates location of fogging). 
3. A square mile area located approximately three-quarters of a mile east of Bixler Road and one-half mile south of California State Highway 4, opposite of Discovery Bay Boulevard.

LOCATION: Brentwood: The area bordered by Sellers Avenue on the west and extends one quarter mile east on Chestnut Street. It then extends to one quarter mile north of Chestnut Street and then to one quarter mile south of Chestnut Street.

Oakley: The area bordered by Sandmound Boulevard on the north and east, Bethel Island Road on the west and Rock Slough on the south. 

LOCATION: 
Oakley: The area bordered by E. Cypress Road on the north, Sandmound Slough on the east, Rock Slough on the south, and Bethel Island Road on the west.  

LOCATION: Oakley: The area bordered by Marsh Creek (Dutch Slough) to the west and north; the slough running north-south, extending north from the end of Sellers Avenue to the east and the Contra Costa Canal to the south. This area was previously known as the Emerson's Dairy property.

LOCATION: Antioch: The area bordered by 6th Street east of G Street to A Street and Wilbur Avenue on the north, Minaker Drive, E. 13th Stret and Hillcrest Avenue on the east, Sunset Drive to A Street, Railroad Avenue and W. 20th Street on the south, and G Street from 18th Street to 6th Avenue on the west.

LOCATION: Antioch: The area bordered by Fredrickson Lane and Mount Hamilton Drive on the north, Dallas Ranch Road on the east, Prewett Ranch Drive and Judsonville Drive with the associated courts included on the south, and the Black Diamond development with Judsonville Drive on the west.

LOCATION: Brentwood: The area bordered by Sand Creek Road to the north, Brentwood city limits to the east, 2nd Street and Oak street to the south, and Highway 4 to the west.

LOCATION: Byron: The area bordered by Byer Road to the north, Bixler Road to the east, Byron Highway to the west and Camino Diablo Road to the south. 

Antioch: The area bordered by Ridgerock Drive and Boulder Drive to the north, Rocky Point Drive and Eagleridge Drive to the east, and Lone Tree Way to the southwest.

LOCATION: Antioch: The area bordered by Gentrytown Drive to the west, Morton Way and South Francisco Way and Gatter Drive to the north, G Street to the east, and Contra Loma Regional Park and the Contra Costa Canal to the south.

LOCATION: Brentwood: The area bordered by Sand Creek Road to the north, Brentwood City Limits to the east, 2nd Street and Oak Street to the south, and Highway 4 to the west.

LOCATION: Oakley: The area bordered by the Contra Costa canal on the north, Sellers Avenue on the east, E. Cypress Road on the south and Marsh Creek on the west.

LOCATION:  Oakley: The area bordered by E. Cypress Road on the north, Sandmound Slough on the east, Rock Slough on the south and Bethel Island Road on the west.

LOCATION: Antioch: The area bordered by Putnam Street on the North, Contra Loma Boulevard on the East, Gentrytown Drive on the West and all residential areas of Mira Vista Hills Park on the South.

LOCATION: Antioch: The area bordered by Wilbur Avenue on the North, Hillcrest Avenue on the East, A Street on the West and E. 18th Street on the South.

LOCATION: Antioch: The area bordered by Ridgerock Drive and Boulder Drive on the North, Rocky Point Drive and Eagleridge Drive on the East, and Lone Tree Way on the Southwest.